Richard Thomas, the son of retired Welsh farmer Llywelyn Thomas, says he was beaten to death by two burglars despite presenting no threat to them at all.
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At the moment providing youth services is discretionary, but the former Children's Commisioner Keith Towler wants to change that.
The three day annual event, held this year at Caerphilly castle is expected to attract thousands of visitors.
Dramatic footage of a near escape on the train tracks has been issued as part of the latest rail safety campaign